(19)

(11)

EP 1 751 648 A1

(12)

(43) Date of publication: 14.02.2007 Bulletin 2007/07 (21) Application number: 05739558.4 (22) Date of filing: 11.05.2005

(51) International Patent Classification (IPC):  G06F 1/00(2006.01) (86) International application number: PCT/FI2005/000215 (87) International publication number: WO 2005/109146 (17.11.2005 Gazette 2005/46)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 12.05.2004 US 844063 (71) Applicant: Nokia Corporation 02150 Espoo (FI)	(72) Inventor: PIPPURI, Sami FI-02180 Espoo (FI) (74) Representative: Simmelvuo, Markku Kalevi  Papula Oy P.O. Box 981 00101 Helsinki 00101 Helsinki (FI)